A B C D E F G H I J K L M N O P Q R S T U V W X Y Z # Select the first letter of the word from the list above to jump to appropriate section of the glossary. If the term you are looking for starts with a digit or symbol, choose the '#' link. - U - Uranus Seventh planet out from the Sun, it is a Jovian planet which cannot be seen with the naked eye, and was only discovered in 1781. Ursa Major The constellation of the Big Bear, as it was considered by the Greeks. Its most familiar component is the constellation we know as the Big Dipper, in the northern skies. Ursa Minor The constellation of the Little Bear. Its most familiar component is the constellation we know as the Little Dipper, and is found in northern skies. Back to Top - V - Venus Second planet from the Sun, its orbit takes 225 days. Often visible before and at dawn in the eastern sky, or at and after sunset in the western sky. Some ancient cultures considered the "Morning Star" and "Evening Star" to be separate objects. Named after the Roman goddess of love. Virgo The sixth constellation in the zodiac, Virgo the Virgin's name refers more to "ears of grain" than her possible virginity. The Sumerians may have used this constellation to mark when their grain was to be planted into virgin furrows. Back to Top